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Diffstat (limited to 'wirish/comm/HardwareUsb.cpp')
-rw-r--r-- | wirish/comm/HardwareUsb.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/wirish/comm/HardwareUsb.cpp b/wirish/comm/HardwareUsb.cpp deleted file mode 100644 index 4398e96..0000000 --- a/wirish/comm/HardwareUsb.cpp +++ /dev/null @@ -1,102 +0,0 @@ -/* ***************************************************************************** - * The MIT License - * - * Copyright (c) 2010 Andrew Meyer. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * ****************************************************************************/ - -/** - * @brief Wiring like serial api to USB virtual COM - */ - -#include "wirish.h" -#include "HardwareUsb.h" -#include "bootVect.h" -#include "usb.h" - -HardwareUsb::HardwareUsb(void) { - mapleVectTable = (BootVectTable*)(BOOTLOADER_VECT_TABLE); - mapleVectTable->serial_tx_cb = usb_tx_cb; - mapleVectTable->serial_rx_cb = usb_rx_cb; - mapleVectTable->usb_local_obj_ptr = this; - rx_buffer_offset_in = 0; - rx_buffer_offset_out = 0; -} - -uint8 HardwareUsb::read(void) { - uint8 outVal = rx_buffer[rx_buffer_offset_out++]; - -#if 1 - if (rx_buffer_offset_out == rx_buffer_offset_in) { - flush(); - } -#endif - - return outVal; -} - -uint8 HardwareUsb::available(void) { - ASSERT(rx_buffer_offset_out >= 0); - // return rx_buffer_offset+1; - // return usb_serialGetRecvLen(); - return rx_buffer_offset_in - rx_buffer_offset_out; -} - -void HardwareUsb::flush(void) { - rx_buffer_offset_in = 0; - rx_buffer_offset_out = 0; -} - -void HardwareUsb::write(unsigned char ch) { - usb_serialWriteChar(ch); -} - -void HardwareUsb::begin(void) { - /* placeholder for usb<->uart linking */ -} - -void HardwareUsb::usb_rx_cb(void) { - BootVectTable *vectTable = (BootVectTable*)(BOOTLOADER_VECT_TABLE); - HardwareUsb *thisPtr = (HardwareUsb*) vectTable->usb_local_obj_ptr; - - uint8 numBytes = usb_serialGetRecvLen(); - -#if 0 - /* ONE-SHOT-TO-READ Version (buffer cleared on next recv interrupt */ - usb_copyRecvBuffer(thisPtr->rx_buffer,numBytes); - thisPtr->rx_buffer_offset_in = numBytes; - thisPtr->rx_buffer_offset_out = 0; -#else - /* FIFO DISCARD OVERFLOW VERSION */ - if ((thisPtr->rx_buffer_offset_in + numBytes) > (USB_SERIAL_BUF_SIZE)) { - numBytes = USB_SERIAL_BUF_SIZE - thisPtr->rx_buffer_offset_in; - } - - if (numBytes > 0) { - ASSERT(thisPtr->rx_buffer_offset_in <= USB_SERIAL_BUF_SIZE); - usb_copyRecvBuffer(&(thisPtr->rx_buffer[thisPtr->rx_buffer_offset_in]),numBytes); - thisPtr->rx_buffer_offset_in += numBytes; - } -#endif -} - -void HardwareUsb::usb_tx_cb(void) { - /* placeholder for when serial dumps exceed buflen */ -} |